20210200021992 has 128 divisors (see below), whose sum is σ = 52039370073600. Its totient is φ = 6535945168128.

The previous prime is 20210200021969. The next prime is 20210200021993. The reversal of 20210200021992 is 29912000201202.

It is not an unprimeable number, because it can be changed into a prime (20210200021993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 605024763 + ... + 605058165.

It is an arithmetic number, because the mean of its divisors is an integer number (406557578700).

Almost surely, 2^{20210200021992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20210200021992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26019685036800).

20210200021992 is an abundant number, since it is smaller than the sum of its proper divisors (31829170051608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20210200021992 is a wasteful number, since it uses less digits than its factorization.

20210200021992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35375 (or 35371 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 20210200021992 in words is "twenty trillion, two hundred ten billion, two hundred million, twenty-one thousand, nine hundred ninety-two".